Fix fallback plugin option

Author: ldeluigi

mkdocs_git_authors_plugin/plugin.py

@@ -13,7 +13,7 @@ class GitAuthorsPlugin(BasePlugin):
         ("show_contribution", config_options.Type(bool, default=False)),
         ("show_line_count", config_options.Type(bool, default=False)),
         ("count_empty_lines", config_options.Type(bool, default=True)),
-        ("fallback_to_empty_authors", config_options.Type(bool, default=False))
+        ("fallback_to_empty", config_options.Type(bool, default=False))
         # ('sort_authors_by_name', config_options.Type(bool, default=True)),
         # ('sort_reverse', config_options.Type(bool, default=False))
     )
@@ -23,7 +23,10 @@ def __init__(self):
             self._repo = Repo()
             self._fallback = False
         except GitCommandError:
-            self._fallback = True
+            if self.config["fallback_to_empty"]:
+                self._fallback = True
+            else:
+                raise
 
     def on_config(self, config, **kwargs):
         """